Hi Peter,

FYI, kernel build failed on

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next
head:   6664923451dd214b1049a04d353f57306690df46
commit: 552d9dc316cfedd134ee882cd1ae24ca6934ffc0 [91/96] ARM: OMAP: twl-common: Add helper function to register the omap-twl4030 audio driver
config: arm-omap2plus_defconfig (attached as .config)

All related error/warning messages:

arch/arm/mach-omap2/twl-common.c:562:13: error: conflicting types for 'omap_twl4030_audio_init'
arch/arm/mach-omap2/twl-common.h:62:6: note: previous declaration of 'omap_twl4030_audio_init' was here

vim +562 arch/arm/mach-omap2/twl-common.c
   559	}
   560	
   561	#else /* SOC_OMAP_TWL4030 */
 > 562	void __init omap_twl4030_audio_init(char *card_name, int codec_sysclk)
   563	{
   564		return;
   565	}

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0-DAY kernel build testing backend         Open Source Technology Centre
Fengguang Wu <wfg@linux.intel.com>                     Intel Corporation